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Sex-Related Differences in Voluntary Alcohol Intake and mRNA Coding for Synucleins in the Brain of Adult Rats Prenatally Exposed to Alcoholстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Kokhan Viktor S., Chaprov Kirill D., Ninkina Natalia N., Anokhin Petr K., Pakhlova Ekaterina P., Sarycheva Natalia Y., Shamakina Inna Y.
- Журнал: BIOMEDICINES
- Том: 10
- Номер: 9
- Год издания: 2022
- Первая страница: 2163
- DOI: 10.3390/biomedicines10092163
- Аннотация: Maternal alcohol consumption is one of the strong predictive factors of alcohol use and consequent abuse; however, investigations of sex differences in response to prenatal alcohol exposure (PAE) are limited. Here we compared the effects of PAE throughout gestation on alcohol preference, state anxiety and mRNA expression of presynaptic proteins α-, β- and γ-synucleins in the brain of adult (PND60) male and female Wistar rats. Total RNA was isolated from the hippocampus, midbrain and hypothalamus and mRNA levels were assessed with quantitative RT-PCR. Compared with naïve males, naïve female rats consumed more alcohol in "free choice" paradigm (10% ethanol vs. water). At the same time, PAE produced significant increase in alcohol consumption and preference in males but not in females compared to male and female naïve groups, correspondingly. We found significantly lower α-synuclein mRNA levels in the hippocampus and midbrain of females compared to males and significant decrease in α-synuclein mRNA in these brain areas in PAE males, but not in females compared to the same sex controls. These findings indicate that the impact of PAE on transcriptional regulation of synucleins may be sex-dependent, and in males' disruption in α-synuclein mRNA expression may contribute to increased vulnerability to alcohol-associated behavior.
- Добавил в систему: Сарычева Наталия Юрьевна